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  •  Mahle Fuel Filter KL438
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    Mahle Fuel Filter KL438

    $62.60
    MAHLE-KL438
  • QFS Mechanical Fuel Pump for 1997-2002 Yamaha Mountain Max 600/700, 2004-2006 Yamaha SX Venom & More - OEM Replacement for 8CH-24410-00-00, HFP-263 | QFS
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    Mechanical Fuel Pump for 1997-2002 Yamaha Mountain Max 600/700, 2004-2006 Yamaha SX Venom & More - OEM Replacement for 8CH-24410-00-00, HFP-263 | QFS

    $120.00
    HFP-263-BC
  • QFS Oxygen Sensor - OEM Replacement, QFS-WBS4068 QFS
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    O2 Sensor - OEM Replacement, QFS-WBS4068 QFS

    $236.98
    QFS-WBS4068-BC
  • QFS Oxygen Sensor - OEM Replacement, QFS-WBS4087 QFS
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    O2 Sensor - OEM Replacement, QFS-WBS4087 QFS

    $68.98
    QFS-WBS4087-BC
  • QFS Performance Fuel Pump Assembly w/ Flex Hose & Strainer - Fits Airtex E8294M, QFS-A23H QFS
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    Performance Fuel Pump Assembly w/ Flex Hose & Strainer - Fits Airtex E8294M, QFS-A23H QFS

    $171.98
    QFS-A23H-BC
  • QFS Performance Fuel Pump Assembly w/ Sending Unit - Fits Airtex E3542M, QFS-A830HV QFS
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    Performance Fuel Pump Assembly w/ Sending Unit - Fits Airtex E3542M, QFS-A830HV QFS

    $312.98
    QFS-A830HV-BC
  • QFS Performance Fuel Pump Assembly w/ Sending Unit - Fits Airtex E3569M, QFS-A822HV QFS
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    Performance Fuel Pump Assembly w/ Sending Unit - Fits Airtex E3569M, QFS-A822HV QFS

    $312.98
    QFS-A822HV-BC
  • QFS Performance Fuel Pump Assembly w/ Sending Unit - Fits Airtex E3923M, QFS-A816HV QFS
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    Performance Fuel Pump Assembly w/ Sending Unit - Fits Airtex E3923M, QFS-A816HV QFS

    $326.98
    QFS-A816HV-BC
  •  QFS Performance Wiring Kit, QFS-WKGM2
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    QFS Performance Wiring Kit, QFS-WKGM2

    $21.98
    QFS-WKGM2-BC
  •  RC Engineering 1000cc Fuel Injectors [Qty 4] for Mitsubishi, RC-1000CC-4G63T
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    RC Engineering 1000cc Fuel Injectors [Qty 4] for Mitsubishi, RC-1000CC-4G63T

    $361.50
    RC-1000CC-4G63T-4-91331-BC
  •  RC Engineering 1200cc B-Series Fuel Injectors [Qty 4] for Honda
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    RC Engineering 1200cc B-Series Fuel Injectors [Qty 4] for Honda

    $361.50
    RC-1200CC-BSERIES-4-91344-BC
  •  RC Engineering 1200cc D-Series Fuel Injectors [Qty 4] for Honda
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    RC Engineering 1200cc D-Series Fuel Injectors [Qty 4] for Honda

    $361.50
    RC-1200CC-DSERIES-4-91346-BC
  •  RC Engineering 310cc B-Series Fuel Injectors [Qty 4] for Acura
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    RC Engineering 310cc B-Series Fuel Injectors [Qty 4] for Acura

    $325.50
    RC-310CC-BSERIES-4-91378-BC
  •  RC Engineering 310cc B-Series Fuel Injectors [Qty 4] for Honda
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    RC Engineering 310cc B-Series Fuel Injectors [Qty 4] for Honda

    $325.50
    RC-310CC-BSERIES-4-91444-BC
  •  RC Engineering 310cc D-Series Fuel Injectors [Qty 4] for Honda
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    RC Engineering 310cc D-Series Fuel Injectors [Qty 4] for Honda

    $325.50
    RC-310CC-DSERIES-4-91380-BC
  •  RC Engineering 370cc K-Series Fuel Injectors [Qty 4] for Honda
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    RC Engineering 370cc K-Series Fuel Injectors [Qty 4] for Honda

    $325.50
    RC-370CC-KSERIES-4-91384-BC

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Catalog Frequently Asked Questions

Find answers to our most common questions below.

Quantum Fuel Systems specializes in high-quality fuel system components, including fuel pumps, filters, wiring harnesses, and more for a wide range of vehicles. Want to know more? Check out our About Us page.

Our team is here to help! Call us 1-818-574-FUEL (3835) or use our online contact form for quick assistance.

QFS has been providing reliable, performance-focused fuel system solutions for over 20 years, earning the trust of automotive enthusiasts and professionals alike.

Absolutely. Our products are designed to meet or exceed OEM standards for quality and performance, offering a reliable alternative to original parts.

Absolutely. Our products are designed to meet or exceed OEM standards for quality and performance, offering a reliable alternative to original parts.

We provide fuel system solutions for a broad range of vehicles, including cars, trucks, motorcycles, boats, ATVs, UTVs, and snowmobiles.

Our easy-to-use online catalog allows you to search by make, model, and year to find the perfect fit. Need help? Contact our support team for personalized assistance.

Yes! Orders placed by 3:00 PM PST ship the same day, so you get your parts quickly and minimize downtime.

Explore Quantum Fuel Systems’ comprehensive catalog—your ultimate one-stop shop for everything fuel system-related. From fuel pumps and injectors to pressure regulators, filters, and installation kits, we have the solutions to keep your engine running smoothly. With unmatched customer service, a lifetime warranty on in-house pumps, same-day shipping, and products designed for professionals and DIYers alike, Quantum sets the standard. Trusted by 1,800+ dealers, we’re here to fuel your journey.

qfs proudly supports the wounded warrior project

About Us

quantum fuel systems blk

QFS was born from a desire for freedom: the freedom to keep your ATV, dirt bike, car, or truck running with dependable, OEM-quality, and affordable fuel systems. We want you back on the road without breaking the bank. Skip the costly dealership—our replacement parts ship directly to you and are easy to install. Enjoy OEM performance with unbeatable US-based support and a lifetime warranty. Are you with us?

READ MORE ABOUT QFS